Hach AutoCAT 9000, Инструкция по эксплуатации

Страница: 126 / 176

Total Oxidants
Total Oxidants
Page 124
50081_TotalOxidants.fm
5.
The timer will begin,
allowing the electrode to
stabilize before data is
collected.
Once the electrode has
stabilized, the AutoCAT will
begin data acquisition and
plot the titration curve.
6.
The Zoom Range
Determination window will
display the titration curve.
Select and move the cursors
to define the range of data
points for analysis.
7.
Select the type of end
point determination.
Press
DEL
for Manual.
Note: Automatic determination
attempts to identify linear
segments without user input
and is
not recommended for
this method.
8.
Using the navigation
keys, select two line
segments, one on each side
of the titration end point, by
positioning vertical lines
(cursors) at the beginning
and end of each segment.
Press the
CHECK MARK
to
confirm changes or press
DEL
to return to the Zoom
window.
Note: For more information on
manual EP determination, see
page 135.
9.
Press the
CHECK MARK
to accept the analysis . Press
DEL
to return to the previous
window to adjust the linear
segments and reanalyze the
data.
10.
The analysis for this test
is complete.
Press
1
to select Continue to
perform additional tests
and/or samples, or to finish
analyses.
Press
2
to select More Details
to view analysis statistics
specific to the current
sample ID.
11.
Press
1
to select
New Test and run a replicate
sample.
Press
2
to select New Sample
to initiate analysis of a new
sample with a new Sample
ID. See
Instrument Tips and
Techniques on page 119.
Press
3
to select
End Analysis and return to
the Methods menu.